Ohtani M, Watanabe F, Narisada M
J Antibiot (Tokyo). 1985 May;38(5):610-21. doi: 10.7164/antibiotics.38.610.
A synthesis of several carbapenem antibiotics including 9-methoxythienamycin is described. The final deprotection of C-3 esters was accomplished by a novel procedure using aluminum trichloride under a very mild condition. The antibacterial activity against Gram-positive and Gram-negative bacteria is shown.